Intrusion the act of wrongfully entering upon, seizing, or taking possession of property owned and/or operated by others.

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3answers
190 views

Why do we need IDS/IPS if a firewall is present?

Why do we need IDS/IPS if a firewall is present?
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1answer
31 views

cd-rom distro — plus additional validation

dear security experts: we would like to create a very safe webserver. we are in awe at the sophistication and complexity of many solutions, but they don't apply to us. we are a small shop. by ...
0
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1answer
47 views

What to do when a Linux account gets owned?

What is the best course of action when you discover that a non-administrator Linux account has gotten owned, and a single foreign process is running, making all sorts of networking connections? For ...
3
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3answers
149 views

Can closed, sleeping MacBook send network data?

I would think the answer is unequivocally, "No." But... My MacBook Pro logged "Diagnostic and Usage Messages" in the Console, at 4:19am, while it was physically closed and (therefore) sleeping. I was ...
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2answers
184 views

Intrusion Detected - OS Attack

I have recently gotten a prompt from my anti virus stating that there was an intrusion with an OS attack as describe in the link below: ...
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4answers
80 views

What kinds of attacks would be missed if we don't look at both host and network activity

Suppose I have both network based IDS and host based IDS installed in my environment, will I miss any security attacks if I don't correlate the information from these sources? If so, what are they? It ...
0
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1answer
305 views

My cookies have been stolen. What to do?

About a month and a half ago I got infected by a virus called MSIL.Bladabindi. I noticed the virus quite soon because google notified me that someone from Turkey tried to access my account (I'm in ...
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0answers
57 views

Browser version 0.0 in visitor logs [closed]

I am seeing quite a few browser "version 0.0" in visitor log. Can anyone explain the significance of this? Please see examples below. Thanks. Safari version 0.0 running on ChromeOS Chrome version ...
5
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4answers
928 views

Suggestions to avoid cookie-hijacking in a web application

I've been developing web-apps for quite some time now. While making websites, the "remember me" feature is one of the most trivial(read as must-have-for-clients) feature to be implemented. Until ...
1
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1answer
79 views

Help with successful Internal intrusions

I'm requesting some help with a particular breach of access that we've experienced in our environment. the attacker is an internal employee who has made a few notes about the environment that I ...
2
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0answers
185 views

Intrusion prevention in windows azure?

When using the Windows Azure IAAS servers how does one setup IPS for all incoming traffic to these servers? How would a regular user who runs his whole environment within Azure make sure that he can ...
0
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2answers
89 views

Statistics about Significant security breaches in 2013 [closed]

I am curious in general if there are any reporting that collects statistics about the security breaches? like per country per industry and revenue losses? I am not interested in anonymized breaches ...
0
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1answer
195 views

IDS false positive rates

Are there any industry accepted standards for the false positive rates for a Network IDS based on Snort? Is there a way to check the false positive rates in a deployed IDS? (ideally without looking at ...
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2answers
188 views

PC showed evidence of a phone being attached for no obvious reason. Theories on why? [closed]

Connecting via remote desktop to a Windows 7 machine today showed the last couple of seconds of a windows device installing and the "Your device is ready" popup for a Sony Xperia T. Going to ...
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2answers
186 views

Identify users accessing hidden link in a website

Recently I put some hidden links in a web site in order to trap web crawlers. (Used CSS visibility hidden style in order to avoid human users accessing it). Any way, I found that there were plenty of ...
0
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3answers
422 views

Why there are uninvited incoming packets to my ADSL connection?

To verify this, I boot my PC from Kali Linux live distro. Before establishing ADSL/PPP connection, I start Wireshark and listen on any pseudo device. Then I create the connection to ISP network. ...
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1answer
218 views

Can we identify if someone is keeping an eye on our computer usage?

For some reason I had been using public network for a small time, and I suspect that someone was actually watching/recording my online/offline activities. At some time I suspected that someone was ...
-1
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1answer
68 views

Network and data security for small online businesses? [closed]

What is the most efficient way of protecting small online business from outside threats. Everything too much expensive is not a solution. I've been looking for good web application firewall and at ...
1
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3answers
263 views

How to check if our clients were compromised by security breaches in other web applications?

Every now and then a known website is hacked, such as what happened to Adobe or Cupid Media. In such incidents user data is leaked, including usernames, encrypted (and sometimes plain text!) ...
1
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1answer
117 views

How to properly configure OSSEC for Web Application Security ?

I would like to implement OSSEC as HIDS on my server, but by default OSSIC monitors a number of folders. I am going to deploy a web application on my server. So what should be my default OSSEC ...
0
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3answers
272 views

How did Snowden do it? [closed]

We've all read about how Edward Snowden got access to thousands of classified documents and shared them with reporters. But how did he do it? He got access to tons of documents that he was not ...
0
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2answers
809 views

Could my computer be infiltrated if someone knows my external IP? [closed]

Could my computer be compromised if someone knew my external IP? I know that when you type that in it just goes into the router page, but my computer is connected to said router. If so, what is the ...
15
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7answers
1k views

Defence Against Keyboard Keylogger

I am wondering whether there is a way to defend against USB Keyboard Keylogger (obviously other than physically checking the keyboard every time after leaving my computer unattended). These days, ...
3
votes
4answers
252 views

To disconnect or not disconnect an intruder?

Most of the time, when an intruder is detected, we would disconnect it at once. However there are certain cases where the intruder is not disconnected. What are the benefits of not disconnecting the ...
1
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1answer
257 views

Intrusions attempt monitoring (on MacOS X) [closed]

I know utilities such as last exist - but not sure if it's applicable for my needs - I'd like a system to notify me of any login attempts on any of my macs (home, work or remote). Attempts from a ...
2
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3answers
182 views

Avoid third party access to system

I need to go through airport security and customs, and its known that at least the German customs (http://en.wiktionary.org/wiki/Bundestrojaner) (and I suspect others as well) try to upload software ...
1
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0answers
94 views

State transition Analysis Technique

As far as I have read and understood STAT is a concept used to design a platform independent IDS. My doubt is whether there exists any compiler/interpreter for STAT Language as I am planning to do a ...
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2answers
81 views

Block all kind of querys from ip [closed]

I want to check my network intrusion detection system (physical intrusion like unauthorized gadgets or devices in wifi/ethernet). Until now everything is ok, but I was wondering if I block every query ...
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1answer
601 views

Where can I find a list of Indicators of Compromise (IOC) conditions?

OpenIOC.org has several schemas defining Indicators of Compromise. The Schema is defined here: http://schemas.mandiant.com/2010/ioc/ioc.xsd While under IndicatorItemContext/search says it is ...
4
votes
1answer
120 views

Security / logging on a Xen-based VPS instance?

Our company has a Xen-based instance on a VPS provider and we have some sensitive data stored on it. Is there a way for me to tell if/when employees of the hosting company have accessed my VPS (by ...
6
votes
4answers
776 views

Has my network/computer been breached?

I'm not sure if this is the right site to ask, so I apologise if it isn't, but here goes. A while ago I started noticing some odd behaviour. My Gmail account was compromised, it seemed, and I had to ...
8
votes
5answers
410 views

How would you detect whether customer data has been leaked?

I'm a very security conscious (bordering paranoia) freelance web developer and I place a lot of emphasis on security with my clients, alas I've found this doesn't seem to be the case for the average ...
3
votes
2answers
487 views

Why does layer 2 IDS seem underdeveloped compared to layer 3 IDS, for wireless network?

I understand that there are many applications such as Snort that do the job for network layer 3 IDS. From what I have researched, layer 2 wireless IDS seems like a field that is very slow in ...
3
votes
1answer
1k views

Are Kismet (on OpenWRT) and Snort IDS (on a linux server) compatitble?

I'm trying to develop an IDS/IPS system project to include these elements: A router running OpenWRT running Kismet drone (Attitude Adjustment 12.09rc1) A Linux server (Running Kismet server + client) ...
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2answers
1k views

How to Secure My DropBox Installation?

I am sharing a DropBox Folder with by Friends for a project so that we can be updated with each other progress. But i was not very convince after reading the How secure is Dropbox?. What if one of my ...
2
votes
3answers
332 views

How to lure a Hacker?

I am suspecting someone unauthorized is trying to or already in the network trying to get information on some data that we have. How can I lure this person to a "Honeypot" and gather information while ...
3
votes
3answers
832 views

unknown MAC address in the LAN, DD-WRT router

I am using a linksys router with DD-WRT firmware with a WiBro internet connection, the ISP uses a hub with multiple user connected to it. The issue is that an unidentified MAC address seems to pop up ...
0
votes
1answer
177 views

What defines a 'defense contractor' and what is required to be reported in new US law? [closed]

According to news articles (eg here) the 2013 National Defense Authorization Act, which was signed into US law 2-Jan-2012, apparently requires defense contractors to report intrusions. What defines a ...
2
votes
2answers
470 views

How can I trace Hacking attempt

First of all I dont want to track the hacker. I want to track if the system is being compromised some way. For example when a website is under attack it'll receive malicious data. I want to check ...
1
vote
1answer
140 views

how to protect from Network scanner on android?

How can I block and detect network scanners on android platforms to stop scanning vlan of my hot spot. My question is: which scanners they use? how can i detect such scanners? Can i protect ...
1
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2answers
730 views

Where can I find worm traffic sample?

I have a program that has to detect scanning activity of worms. I need some samples of worms' traffic (pcap files) to try the program, and notes about the procedures which must be taken when running ...
3
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2answers
8k views

How to detect/list rogue computers connected to a WIFI network without access to the Wifi Router interface?

This is what I believe to be an interesting challenge :) A relative (that lives a bit too far to go there in person) is complaining that their WIFI/Internet network performance has gone down ...
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votes
1answer
417 views

When I open my gmail account,this shows,does this mean my account is hacked? [closed]

When I open my gmail acccount I see a dialogue box that reads like shown in the image?Does it mean my account is hacked?
-1
votes
3answers
185 views

Activity's history to suspect an intrusion

I was hacked one month ago - a person who borrowed my device installed a key logger. Now, I have a new issue, sometimes when I open my computer in the morning, it is totally low battery, though it ...
-1
votes
3answers
485 views

How information in an access log could be used to identify the true identity of an impostor?

Is it possible to use information in an access log to identify the true identity of an impostor who has acquired unauthorized access to a computing system (Perhaps by combining several different ...
0
votes
2answers
262 views

Easy way to analyse my netstats for intrusions?

I want to analyse my network traffic against intrusions or hackers. I looked at Snort but it seems difficult to install on Windows and overly complex anyway. When I issue a netstat -a, I see various ...
-4
votes
1answer
189 views

Secure Traffic model for Web application Protection

Web Application Firewalls relies on negative and positive security traffic rules to protect web application from being exploit. My question is that is their any other web traffic modelling technique ...
-2
votes
1answer
148 views

What do I need to worry about when moving from a compromised system to a clean one?

As a result of a targeted attack, my computer was compromised? What should I be worried about when trying to move to a new system and prevent reinfection? I purchased a new clean computer and am ...
9
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1answer
628 views

Cracking PCI terminal using a trojan based on the card

I have come across an article which states the following: According to MWR InfoSecurity, cybercriminals can use fake cards containing a software code to gain access not only to a customer's PIN ...
2
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2answers
666 views

How are signatures for IPS determined

For example , how do Snort's VRT team or some one who gives us the signatures, determine them at all ? I would be more interested to know , how are the traffic patterns analyzed against some known ...